PRMAL - Lab-grown Diamonds & Ethical Fine Jewelry

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Tokyo Showroom — Book a Visit

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A Beautiful Choice.

Ethical Diamond Jewelry
[PRMAL]

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PRMAL - Bridal Collection

BRIDAL

PRMAL - Earring Collection

EARRING

PRMAL - Ring Collection

RING

PRMAL - Ear Cuff Collection

EAR CUFF

PRMAL - Necklace Collection

NECKLACE

PRMAL - Bracelet Collection

BRACELET

NEW IN

Hoop Bold Pave Earring S - PRMAL

Hoop Bold Pave Earring S - PRMAL

01PHPB031C

Hoop Bold Pave Earring S

K10 | ¥84,700
K18 | ¥150,700

Hoop Plain Earring S - PRMAL

Hoop Plain Earring S - PRMAL

01PHPB030C

Hoop Plain Earring S

K10 | ¥51,700
K18 | ¥84,700

0.3ct Oval Diamond Hoop Charm - PRMAL

0.3ct Oval Diamond Hoop Charm - PRMAL

01PCHA018C

0.3ct Oval Diamond Hoop Charm

K10 | ¥93,500
K18 | ¥125,400

1ct Oval Diamond Hoop Charm - PRMAL

1ct Oval Diamond Hoop Charm - PRMAL

01PCHA019C

1ct Oval Diamond Hoop Charm

K10 | ¥204,600
K18 | ¥246,400

Alta Solitaire Plain Ring [Oval] - PRMAL

Alta Solitaire Plain Ring [Oval] - PRMAL

EG001TO10A#B

Alta Solitaire Plain Ring [Oval]

From ¥403,700

Alta Solitaire Plain Ring [Radiant] - PRMAL

Alta Solitaire Plain Ring [Radiant] - PRMAL

EG001TD10A#B

Alta Solitaire Plain Ring [Radiant]

From ¥403,700

Alta Solitaire Plain Ring [Pear] - PRMAL

Alta Solitaire Plain Ring [Pear] - PRMAL

EG001TP10A#B

Alta Solitaire Plain Ring [Pear]

From ¥403,700

1ct Oval Diamond Charm - PRMAL

1ct Oval Diamond Charm - PRMAL

01NCHA009C

1ct Oval Diamond Charm

K10 | ¥231,000
K18 | ¥265,100

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Find Pearls

Infinity Collection

TRENDING

Pave Dome Letter Charm - PRMAL

Pave Dome Letter Charm - PRMAL

01NLTR001C_A

Pave Dome Letter Charm

K10 | ¥116,600
K18 | ¥189,200

Massive Wave Ring - PRMAL

Massive Wave Ring - PRMAL

01RBSC033C#7

Massive Wave Ring

K10 | ¥149,600
K18 | ¥261,800

Wave Ring - PRMAL

Wave Ring - PRMAL

01RBSC031C#7

Wave Ring

K10 | ¥113,300
K18 | ¥195,800

Massive Wave Double Finger Ring - PRMAL

Massive Wave Double Finger Ring - PRMAL

01RDBF002C#S

Massive Wave Double Finger Ring

K10 | ¥176,000
K18 | ¥317,900

Infinity Massive Wave Diamond Ring - PRMAL

Infinity Massive Wave Diamond Ring - PRMAL

01RWAV003C#1

Infinity Massive Wave Diamond Ring

K10 | ¥229,900
K18 | ¥355,300

Sync Wave Pinky Ring - PRMAL

Sync Wave Pinky Ring - PRMAL

01RBSC056C#0

Sync Wave Pinky Ring

K10 | ¥168,300
K18 | ¥293,700

Limited-Time Order

Pearl Oval Ring - PRMAL

Pearl Oval Ring - PRMAL

01RBSC026C#3

Pearl Oval Ring

Sold Out

Limited-Time Order

Black Pearl Oval Ring - PRMAL

Black Pearl Oval Ring - PRMAL

01RBSC024C#3

Black Pearl Oval Ring

Sold Out

Box Chain Necklace - PRMAL

Box Chain Necklace - PRMAL

01NCHN004A#40

Box Chain Necklace

K18 | ¥223,300

Pave Dome Letter Earring - PRMAL

Pave Dome Letter Earring - PRMAL

01PLTR001C

Pave Dome Letter Earring

From ¥118,800

Lapse Diamond Wave Necklace - PRMAL

Lapse Diamond Wave Necklace - PRMAL

01NWAV001C

Lapse Diamond Wave Necklace

K10 | ¥151,800
K18 | ¥243,100

Wave Necklace - PRMAL

Wave Necklace - PRMAL

01NLIN007C

Wave Necklace

K10 | ¥148,500
K18 | ¥261,800

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Letter Series

Wave Collection

Alta Solitaire Plain Ring [Oval]

Look 01

Alta Solitaire Plain Ring [Oval]2ct Oval Diamond Charm Box Chain Necklace

Bold Pave Ear Cuff

Look 02

Bold Pave Ear Cuff Hoop Plain Earring S 1ct Oval Diamond Hoop Charm Clip Chain Necklace 1ct Oval Diamond Charm

Look 03

Duo Pear Hoop Earring Duo Pear Peek Ear Cuff

Bold Pave Ear Cuff

Look 04

Bold Pave Ear Cuff Bold Pave Bar Ear Cuff Hoop Plain Earring S 0.3ct Oval Diamond Hoop Charm

Bold Rough Open Ring

Look 05

Bold Rough Open Ring Bold Wave Double Finger Ring Marquise Half Eternity Ring Marquise Wave Double Finger Ring

Look 06

Rock Earring S Rock Earring M Tennis Chain Necklace

Pave Dome Letter Earring

Look 07

Pave Dome Letter Earring

About Us

Store

News

PRMAL Instagram Live [Alta]

October 16, 2026

Instagram Live [Alta]

Introducing 14 new designs that celebrate the brilliance of diamonds and the beauty of form: solitaire rings in a variety of cuts, charms for free-...

Featured in FIGARO japon – October 2026 Issue

August 20, 2026

Featured in FIGARO japon – October 2026 Issue

PRMAL's Pave Dome Letter Earring is featured in the "MÉLI-MÉLO BIJOUX" column of the October 2026 issue of FIGARO japon. (On sale August 20, 2026 /...

Featured in sweet – September 2026 Issue

August 10, 2026

Featured in sweet – September 2026 Issue

Four PRMAL pieces are featured in the jewelry feature of the September 2026 issue of sweet. (On sale August 10, 2026 / Takarajimasha)

View All Articles

Lab-Grown Diamonds

Alongside trusted gemstone experts, we select only the finest lab-grown diamonds sourced from top suppliers worldwide. Each stone is chosen with rigorous standards, delivering exceptional brilliance and enduring beauty.

Craftsmanship

Rooted in Kofu, Japan’s renowned jewelry-making region, each piece is meticulously crafted by skilled artisans. Their mastery of both traditional techniques and modern design ensures PRMAL’s uncompromising quality.

Shipping

We offer complimentary domestic shipping within Japan and secure international delivery worldwide. Every order is handled with care and delivered responsibly to our customers.

After-Sales Support

From resizing and cleaning to repairs, our dedicated support team provides attentive after-care. We offer a comprehensive maintenance program to ensure your jewelry stays beautiful for years to come.

A Beautiful Choice.

This point service allows you to use 1 point for 1 JPY worth of purchases.

The exchange rate at the time of point use will apply.

Regardless of the timing of membership registration, points are valid for one year from the date of the last point award.

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Chat with us on LINE (10:00-18:00 JST)Book a showroom fitting

This service is only available in Japan.

Pay later, 6 installments, and payment at convenience stores are available through Paidy Payment.

Select "Paidy" payment method on the checkout page after adding to the cart.

After the order is confirmed, production will begin for made-to-order items, and in-stock items will be shipped.

Need support? We're here to help.

Chat with us on LINE (10:00-18:00 JST)